How can I order a Django queryset by multiple fields?
You can use the order_by()
method on your queryset. For example: MyModel.objects.all().order_by('field1', '-field2')
.
What if I want to order by a related model's field?
You can specify the related field using double underscores. For example: MyModel.objects.all().order_by('related_model__field')
.
Can I use annotations with ordering?
Yes, you can annotate your queryset and then order by the annotated field. For example: MyModel.objects.annotate(new_field=Count('related_model')).order_by('new_field')
.
Is it possible to order by a conditional expression?
Absolutely! You can use Case
and When
for conditional ordering. For example: MyModel.objects.annotate(order_field=Case(...)).order_by('order_field')
.
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